bar vs Great Britain

bar and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
bar	Yes	No	Yes	No
Great Britain	Yes	No	No	No

bar (noun)	Great Britain (noun)
the act of preventing	an island comprising England and Scotland and Wales
a rigid piece of metal or wood; usually used as a fastening or obstruction or weapon	a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom
an obstruction (usually metal) placed at the top of a goal
a room or establishment where alcoholic drinks are served over a counter
a counter where you can obtain food or drink
a block of solid substance (such as soap or wax)
(law) a railing that encloses the part of the courtroom where the judges and lawyers sit and the case is tried
a heating element in an electric fire
a horizontal rod that serves as a support for gymnasts as they perform exercises
a narrow marking of a different color or texture from the background
musical notation for a repeating pattern of musical beats
the body of individuals qualified to practice law in a particular jurisdiction
a submerged (or partly submerged) ridge in a river or along a shore
(meteorology) a unit of pressure equal to a million dynes per square centimeter

bar (verb)	Great Britain (verb)
prevent from entering; keep out
render unsuitable for passage
secure with, or as if with, bars
expel, as if by official decree